Re: [PATCH nft v4] src: enable json echo output when reading native syntax

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Hi,

On Tue, Aug 04, 2020 at 03:05:25PM +0200, Jose M. Guisado wrote:
> On 4/8/20 14:37, Phil Sutter wrote:
> > Why not just:
> > 
> > --- a/src/monitor.c
> > +++ b/src/monitor.c
> > @@ -922,8 +922,11 @@ int netlink_echo_callback(const struct nlmsghdr *nlh, void *data)
> >          if (!nft_output_echo(&echo_monh.ctx->nft->output))
> >                  return MNL_CB_OK;
> >   
> > -       if (nft_output_json(&ctx->nft->output))
> > -               return json_events_cb(nlh, &echo_monh);
> > +       if (nft_output_json(&ctx->nft->output)) {
> > +               if (ctx->nft->json_root)
> > +                       return json_events_cb(nlh, &echo_monh);
> > +               echo_monh.format = NFTNL_OUTPUT_JSON;
> > +       }
> >   
> >          return netlink_events_cb(nlh, &echo_monh);
> >   }
> > 
> > At a first glance, this seems to work just fine.
> > 
> > Cheers, Phil
> 
> This does not output anything on my machine. This is because json_echo 
> is not initialized before netlink_echo_callback.

Please try my diff above on upstream's master without your changes. In
the tree I did above changes, no symbol named 'json_echo' exists.

Cheers, Phil



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